Impfcheck https://www.infektionsschutz.de/ar/impfchecks/grippe-impfcheck/impfcheck/?tx_clickflow_flow%5Baction%5D=next&tx_clickflow_flow%5Bcontroller%5D=Flow&tx_clickflow_flow%5Bsession%5D=YET1Y-1759621862&tx_clickflow_flow%5Bstep%5D=2&cHash=a0b2b9819d7f0b88c21fc44ccccd6fb7
IP address (will be immediately anonymized), Device type, device brand, device model
